Toyota Corolla (E120): Inspection procedure

1 Inspect transmission wire(sl)

  1. Disconnect the transmission wire connector from the transaxle.
  2.  measure the resistance according to the value(s) in the table below.

Standard:

2 Check harness and connector(transmission wire – ecm)

2 Check harness and connector(transmission wire – ecm)

  1. Connect the transmission wire connector.
  2. disconnect the ecm connector.
  3. measure the resistance according to the value(s) in the table below.

Standard:

Replace ecm

Replace ecm

3 Inspect shift solenoid valve(sl)

  1. Remove the shift solenoid valve sl.
  2. measure the resistance according to the value(s) in the table below.

Standard:

  1. Connect the positive (+) battery lead to the solenoid connector terminal, and the negative (–) battery lead to the solenoid body for checking the solenoid valve operation.

Standard: the solenoid valve makes an operating noise.

Repair or replace transmission wire

Repair or replace transmission wire

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    Circuit description
    The purpose of this circuit is to prevent the engine from stalling while driving in lock–up condition, when brakes are suddenly applied. When the brake pedal is depressed, this switch sends a signals to the ecm. Then the ecm cancels the operation of the lock–up clutch while braking is i ...

    Starting the engine
    ► Automatic transmission or continuously variable transmission 1 Check that the parking brake is set. 2 Check that the shift lever is set in P. 3 Firmly depress the brake pedal. 4 Turn the engine switch to the “START” position and start the engine. ► Manual transmission 1 Che ...

    Parking the vehicle
    ► Automatic transmission or continuously variable transmission􀁘 Automatic transmission or continuously variable transmission 1 With the shift lever in D, depress the brake pedal. 2 Shift the shift lever to P. 3 Set the parking brake. 4 Vehicles without a smart key system: Turn ...